Module io.helidon.data.codegen.query

Package io.helidon.data.codegen.query

Enum Class ProjectionResult

java.lang.Object

java.lang.Enum<ProjectionResult>

io.helidon.data.codegen.query.ProjectionResult

All Implemented Interfaces:

Serializable, Comparable<ProjectionResult>, Constable

public enum ProjectionResult
extends Enum<ProjectionResult>

Projection return type limitation.

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
Count	Only numeric values.
Dml	DML result.
Exists	Only boolean values.
Find	Optional of single entity or entity property instance.
Get	Only single entity or entity property instance, cannot return null.
List	List of entity or entity property values.
Stream	Stream of entity or entity property values.

Method Summary

Modifier and Type	Method	Description
static ProjectionResult	valueOf(String name)	Returns the enum constant of this class with the specified name.
static ProjectionResult[]	values()	Returns an array containing the constants of this enum class, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

Exists

public static final ProjectionResult Exists

Only boolean values.

Count

public static final ProjectionResult Count

Only numeric values.

Get

public static final ProjectionResult Get

Only single entity or entity property instance, cannot return null.

Find

public static final ProjectionResult Find

Optional of single entity or entity property instance.

List

public static final ProjectionResult List

List of entity or entity property values.

Stream

public static final ProjectionResult Stream

Stream of entity or entity property values.

Dml

public static final ProjectionResult Dml

DML result.

Method Details

values

public static ProjectionResult[] values()

Returns an array containing the constants of this enum class, in the order they are declared.

Returns:

an array containing the constants of this enum class, in the order they are declared

valueOf

public static ProjectionResult valueOf(String name)

Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum class has no constant with the specified name

NullPointerException - if the argument is null